purum p.a., ≥99% (T)

Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:
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Quality Level

vapor density

8.9 (vs air)

vapor pressure

1 mmHg ( 183.8 °C)
10 mmHg ( 246 °C)


purum p.a.


≥99% (T)



autoignition temp.

450 °F


2E23 μΩ-cm, 20°C

ign. residue



444.7 °C (lit.)


112.8 °C (rhombic) (lit.)
117-120 °C (lit.)
119.0 °C (monoclinic) (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string




InChI key


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General description

Sulfur is a chalcogen (ore forming element). It is present in abundant quantities in marine and freshwater sediments. It exists in various forms such as pyrite, acid volatile sulfides, elemental sulfur, sulfates and organic sulfur. Quantitative estimation of reduced inorganic sulfur compounds in modern sediments and shales by a chromium reduction technique has been described. Elemental sulfur is employed for the synthesis of arsenic monosulfide and benzothiazole.


Sulfur has been employed as a reactant in the preparation of Cu-doped iron sulfides.


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Signal Word


Hazard Statements


UN1350 - class 4.1 - PG 3 - DOT - Class 9 - Sulfur

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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